A piece of twine worn around one's wrist (usually the wrist of the hand they masturbate with) until said person looses their virginity. Anyone who knows about burdon twines must wear one if they are a virgin. They are, for the most part, a secret spread only by word-of-mouth.
Guy1: Hey, nice burdon twine, loser.
Guy2: Psshh, if you know about them, where's yours? I know you've done nothing.
Guy1: Not anymore, just ask your mom!
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.